some schools other than sandy hook reopened for the first time since the shooting. buses carrying children drove on to school grounds with green and white ribbons on the front sandy hook's colors but police kept one elementary school closed as a precaution after threats. >> i always am worried. now it's very bad. >> reporter: children at sandy hook have not yet returned to school. when they do, it will be at a school in the nearby town of monroe. early this evening, the national rifle association for the first time since the shooting issued a formal response calling the shooting a sickening saddening event saying they will do whatever is possible to try to prevent future attacks of this sort. the national rifle association is planning to have a news conference this friday where we expect to hear details about what they plan to do. reporting live in newtown, connecticut, i'm randall pinkston. >> thank you. >>> pg&e set up a show-and- tell in dublin today. they presented how next year they will be able to prevent or manage any future disaster. cbs 5 reporter ann notar